Made from cast iron, induction hardened.It rests on five main bearings with bearing
shells graded into three sizes.The crankshaft endfloat is adjusted by two
thrust washers located in the gearbox side bearing support.Eight counterweights arranged at 180° ensure
that the crankshaft rotating masses are perfectly balanced.A channel runs along the inside of the shaft
to lubricate the main bearings and big end bearings.